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Christina River at Wilmington (IN MLLW)

National Weather Service gauge WIMD1 · Delaware · New Castle County · 39.7361, -75.5406 · USGS 01480120

Stage at this gauge is reported IN MLLW.

Flood levels

Official flood levels at this gauge: minor flooding begins at 7.4 ft; moderate flooding begins at 8.4 ft; major flooding begins at 9.4 ft.

Minor flooding7.4 ft
Moderate flooding8.4 ft
Major flooding9.4 ft

Highest recorded crests

What the water does

National Weather Service impact statements for this gauge, in the Weather Service's own words.

7.4 ft(MLLW) MINOR FLOODING.
7.7 ft(MLLW) COASTAL FLOOD ADVISORY LEVEL.
8.0 ft(MLLW) Flooding from the Brandywine Creek begins along East 12th Street in Wilmington. Flooding begins along the south bank of the Christina River in Wilmington.
8.4 ft(MLLW) MODERATE FLOODING. At this level, additional roadways near the Christina River and its tidal tributaries in Wilmington begin to flood. Lives may be at risk when people put themselves in harm's way. Some damage to vulnerable structures may begin to occur. COASTAL FLOOD WARNING LEVEL.
9.4 ft(MLLW) MAJOR FLOODING. At this level, widespread roadway flooding begins near the Christina River and its tidal tributaries in Wilmington. Vulnerable homes and businesses may be damaged as water levels rise further above this threshold. Numerous roads become impassable and some neighborhoods may be isolated. The water becomes a danger to anyone who attempts to cross on foot or in a vehicle.
9.6 ft(MLLW) The level reached on October 29, 2021.
9.9 ft(Mean Lower Low Water (MLLW)) The level reached on October 30, 2012 during Post Tropical Cyclone Sandy.

Forecast office: NWS Mount Holly · River Forecast Center: Middle Atlantic River Forecast Center.

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